CAS 25168-21-2

2020-06-17by admin


Product Name: Dibutyltin monooctyl maleate 25168-21-2

Chinese alias: bis (isooctyl maleic acid) dibutyl tin dibutyl tin bis (isooctyl maleate) monooctyl maleate dibutyl tin dibutyl tin bis (isooctyl maleate)

English alias: 2-Butenedioicacid (2Z)-, 1,1′-(dibutylstannylene) 4,4′-diisooctyl ester4-O-[dibutyl-[(Z)-4-(6-methylheptoxy)-4-oxobut-2 -enoyl]oxystannyl] 1-O-(6-methylheptyl) (Z)-but-2-enedioateDI-n-BUTYLBIS(2-ETHYLHEXYLMALEATE)TIN,

Product designation: BT-58C

Dibutyltin monooctyl maleate CAS 25168-21-2
Dibutyltin monooctyl maleate CAS 25168-21-2

English name: Di-n-butyltin Di (Monooctyl Maleate)

CAS number: 25168-21-2

Molecular formula: C32H56O8Sn


Physical and chemical properties:

Accurate molecular weight: 688.30000

Isotope mass: 688.3

Number of isotopes: 0

Number of hydrogen bond donors: 0

Number of hydrogen bond acceptors: 8

Number of heavy atoms: 41

Number of rotatable chemical bonds: 28

Complexity: 738


Experimental features:

Density: 1,145 g/cm3

Melting point: -25°C

Boiling point: 618.1°C at 760 mmHg

Flash point: 123°C

PSA: 105.20000

LogP: 7.74680


Security Information:

Hazard category code: 20/21/22-36/37/38

Safety Instructions: S26; S36/37/39

Risk term: R20/21/22




Yellow oily liquid

This product is a heat stabilizer for PVC products and has excellent long-term stability and weather resistance. Can improve initial coloring and promote gelation


Storage and transportation:

Should be sealed and stored in a dry, cool and ventilated warehouse



200KG/drum Storage: It is recommended to store in a dry and cool area with proper ventilation. After the original packaging, please fasten the packaging cover as soon as possible to prevent the water and other substances from mixing into the product and affecting its performance. Store in a cool, dry place, keep the container sealed and avoid contact with oxides. Do not breathe dust, avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothing separately and wash it before reuse. Maintain good hygiene habits.